Peach lustre condiment serving tray

This beautiful peach lustre edged condiment server tray has a wonderful shine. The center of the three or four compartments in the plate is a cream white iridescent colored. Each compartment has a thin black line between the peach coloring and the white. The plate measures 10 inches by 8 inches. The lower compartment is 4 inches wide. The other two sections are 4 ½ inches wide. The top has what is could be used as a small spoon rest. I found a similar piece with a egg cup set so I am assuming that is what this also is. There is a black mark on the back which I am only partially able to see. It looks like a B or R with a peek or sideways 2. The bottom of the plate is unglazed.